使容器尺寸响应

Question

我在设置我的标签时遇到了麻烦，因为我几乎所做的每一项改变都会导致一切都无处不在。我想要的是使整个容器和标签响应屏幕尺寸，所以当屏幕变小时，一切都会变小，标签标签也应该居中到中间。我试图给位置vw而不是百分比，但这不起作用，当屏幕变小时，标签和容器仍然保持相同的大小。

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ul.tabs {
  margin: 0;
  padding: 0;
  float: left;
  list-style: none;
  height: auto;
  width: 70vw;
  position: relative;
  margin-top: 15%;
}

ul.tabs li {
  float: left;
  margin: 0;
  cursor: pointer;
  padding: 0px 21px;
  height: 31px;
  line-height: 31px;
  background-color: #666;
  color: #ccc;
  overflow: hidden;
  position: relative;
}

.tab_last {
  border-right: 1px solid #333;
}

ul.tabs li:hover {
  background-color: #ccc;
  color: #333;
}

ul.tabs li.active {
  background-color: #fff;
  color: #333;
  border-bottom: 1px solid #fff;
  display: block;
}

.tab_container {
  border-top: none;
  clear: both;
  float: left;
  width: 70vw;
  background: #fff;
  overflow: auto;
  position: relative;
  left: 15vw;
}

.tab_content {
  padding: 20px;
  display: none;
}

.tab_drawer_heading {
  display: none;
}

@media screen and (max-width: 480px) {
  .tab_container {
    width: 100%;
    left: 0;
    position: fixed;
    bottom: -100%;
  }
  .tabs {
    display: none;
  }
  .tab_drawer_heading {
    background-color: #ccc;
    color: #fff;
    border-top: 1px solid #333;
    margin: 0;
    padding: 5px 20px;
    display: block;
    cursor: pointer;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
  .d_active {
    background-color: #666;
    color: #fff;
  }
}

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<ul class="tabs">
  <li class="active" rel="tab1">Tab 1</li>
  <li rel="tab2">Tab 2</li>
  <li rel="tab3">Tab 3</li>
</ul>
<div class="tab_container">
  <h3 class="d_active tab_drawer_heading" rel="tab1">Tab 1</h3>
  <div id="tab1" class="tab_content">
    <h2>Tab 1 content</h2>
    <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec ac metus augue.</p>
  </div>
  <h3 class="tab_drawer_heading" rel="tab2">Tab 2</h3>
  <div id="tab2" class="tab_content">
    <h2>Tab 2 content</h2>
    <p>Nunc dui velit, scelerisque eu placerat volutpat, dapibus eu nisi. Vivamus eleifend vestibulum odio non vulputate.</p>
  </div>
  <h3 class="tab_drawer_heading" rel="tab3">Tab 3</h3>
  <div id="tab3" class="tab_content">
    <h2>Tab 3 content</h2>
    <p>Nulla eleifend felis vitae velit tristique imperdiet. Etiam nec imperdiet elit. Pellentesque sem lorem, scelerisque sed facilisis sed, vestibulum sit amet eros.</p>
  </div>
</div>
</div>

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